DE3661194D1 - An improved process for purifying crude trifluralin - Google Patents

An improved process for purifying crude trifluralin

Info

Publication number
DE3661194D1
DE3661194D1 DE8686830147T DE3661194T DE3661194D1 DE 3661194 D1 DE3661194 D1 DE 3661194D1 DE 8686830147 T DE8686830147 T DE 8686830147T DE 3661194 T DE3661194 T DE 3661194T DE 3661194 D1 DE3661194 D1 DE 3661194D1
Authority
DE
Germany
Prior art keywords
improved process
purifying crude
trifluralin
crude trifluralin
purifying
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE8686830147T
Other languages
English (en)
Inventor
Graziello Donadello
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Finchimica SRL
Original Assignee
Finchimica SRL
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from IT21049/85A external-priority patent/IT1186302B/it
Priority claimed from IT23247/85A external-priority patent/IT1190440B/it
Application filed by Finchimica SRL filed Critical Finchimica SRL
Application granted granted Critical
Publication of DE3661194D1 publication Critical patent/DE3661194D1/de
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/82—Purification; Separation; Stabilisation; Use of additives
    • C07C209/84—Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE8686830147T 1985-06-06 1986-05-29 An improved process for purifying crude trifluralin Expired DE3661194D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT21049/85A IT1186302B (it) 1985-06-06 1985-06-06 Procedimento migliorato per la puricazione della trifuralina
IT23247/85A IT1190440B (it) 1985-12-18 1985-12-18 Procedimento migliorato per la purificazione della trifluralina

Publications (1)

Publication Number Publication Date
DE3661194D1 true DE3661194D1 (en) 1988-12-22

Family

ID=26327750

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686830147T Expired DE3661194D1 (en) 1985-06-06 1986-05-29 An improved process for purifying crude trifluralin

Country Status (7)

Country Link
EP (1) EP0204668B1 (de)
AR (1) AR240912A1 (de)
AU (1) AU593253B2 (de)
BR (1) BR8602646A (de)
CA (1) CA1261355A (de)
DE (1) DE3661194D1 (de)
IL (1) IL78948A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL79248A (en) * 1986-06-26 1990-07-12 Agan Chemical Manufacturers Process for purifying dinitroaniline herbicides
AU608808B2 (en) * 1987-03-02 1991-04-18 Ici Australia Operations Proprietary Limited Process for removing impurity
US5196585A (en) * 1990-10-02 1993-03-23 Dowelanco Process for treating dinitroanilines with sulfite to reduce impurities and to reduce the ability to produce nitrosamines
IT1261259B (it) * 1993-09-13 1996-05-09 Finchimica Srl Procedimento per la preparazione di ethalfluralin

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE22551T1 (de) * 1982-04-22 1986-10-15 Oxon Italia Spa Verfahren zur herstellung von 1-chlor-2,6-dinitro-4-(trifluormethyl)-benzol, frei von nitrosierungsmitteln.
US4501608A (en) * 1983-05-16 1985-02-26 Eli Lilly And Company Nitrosamine inhibition
DE3345157A1 (de) * 1983-12-14 1985-06-27 Hoechst Ag, 6230 Frankfurt Verfahren zur herstellung von nitrosaminfreien n,n-disubstituierten nitroaromatischen aminen und deren stabilisierung gegen nitrosaminbildung
AR241013A1 (es) * 1986-12-30 1991-04-30 Quimica Estrella Aca Sociedad Un procedimiento para eliminar n,n-dipropilnitrosamina (dpna) de la trifluralina (tf)

Also Published As

Publication number Publication date
EP0204668B1 (de) 1988-11-17
BR8602646A (pt) 1987-02-03
CA1261355A (en) 1989-09-26
IL78948A (en) 1991-03-10
EP0204668A1 (de) 1986-12-10
AU5806886A (en) 1986-12-11
AU593253B2 (en) 1990-02-08
AR240912A1 (es) 1991-03-27
AR240912A2 (es) 1991-03-27
IL78948A0 (en) 1986-09-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee